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2013 Infiniti QX56 4WD — 5.6L 8-cyl, S7 automatic, 4WD
This 2013 Infiniti QX56 4WD (5.6L 8-cyl, S7 automatic, 4WD) takes premium gasoline. PREMIUM
16
MPG combined (14 city / 20 hwy)
$4,800
est. fuel cost / year (EPA, 15k mi)
564 g/mi
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
EPA fuel type: Premium · class: Standard Sport Utility Vehicle 4WD · retrieved 2026-06-14.